Portion of a club head



FIG. 1 is a back plan view of my new design;

FIG. 2 is a heel side perspective view thereof;

FIG. 3 is a plan view thereof; and,

FIG. 4 is an enlarged view of a portion of the design.

The portion of the club head shown by the dotted lines is not part of the back and sole design and does not form any portion of the present invention. 

The ornamental design for a portion of a club head, as shown and described. 